All Hertz Marine Amplifiers at Sonic Electronix

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Each channel on an amplifier will power one speaker using a positive and negative cable. There are various types of amplifiers, each designed to power a certain number of speakers. Monoblock amplifiers, also known as single channel, are designed to power one or more subwoofers. These amplifiers often have very high power ratings. On the other hand, multi-channel amplifiers power multiple speakers, usually at lower power ratings. 2-Channel and 4-Channel amplifiers can power car speakers or low powered subwoofers. Occasionally you might see a 5 or 6-channel amplifier that can power speakers and subwoofers at the same time. The most common setup is a monoblock amp to run subwoofers and a 4-channel amp to run door speakers. Check out our Knowledge Base for more information.

An amplifier increases the power of the signal being fed to it by taking energy from its power supply and matching the signal but increasing its amplitude. Amplifiers use many different methods for converting these electrical signals and have been categorized into classes.

Class A/B: Greater than 50% of the input signal is amplified while the other percentage is “off”. These amplifiers have a small amount of current flowing through the output transistors all the time which almost eliminates crossover distortion. Class A/B has great sound quality but is not as efficient as class D. These amps are most commonly used to drive speakers.

Class D: Also known as switching amplifiers, class D amps have output transistors that are completely turned “on” or “off”. This means that when the transistors are on, there is almost no voltage across them but when they are off there is significant voltage but no current flowing through it which makes these amplifiers very efficient at the cost of sound quality. These amps are most commonly used to drive subwoofers.

Other Classes: You may see classes such as GH, bD, X, FD, etc. by some manufactures. These amplifiers tend to be either class A/B, D or a hybrid of the two but with improvements to their designs that can make them more efficient or offer better sound quality.

The total peak power output is measured as the wattage per channel multiplied by the number of channels, and is calculated at the lowest level of operating impedance.

It is measured during a brief musical burst, such as a sudden drum accent. Some manufacturers display peak power ratings on the face of their products to increase the appeal.

The RMS power rating is more accurate, and we recommend using it for product comparison.

Total RMS power is measured by multiplying RMS power per channel by the number of channels, and is calculated at the lowest level of operating impedance.

RMS power is the amount of continuous power, measured in watts, that an amplifier produces is called RMS power. The higher the RMS figure, the louder and cleaner your music sounds.

The RMS output figure is much more accurate than the peak rating when comparing products.

The lowest impedance the amplifier will handle when it is not bridged.
The lowest impedance the amplifier will handle when it is bridged.
If the amp comes with a bass/gain remote you will be able to control the level of your bass from your dashboard. Typically bass remotes also include a 16-20 ft. wire for installation.
Many amplifiers are equipped with RCA preamp outputs which pass the original music signal from the source to additional amplifiers. This is known as daisy chaining because the source connects to the first amp, and the first amp connects to the second amp, etc. The advantage to daisy chaining is you only need one 2-channel RCA cable to transfer the signal from the head-unit to the amplifier, and then one additional cable for each amp being daisy chained.

A crossover is a type of filtering system that permits only certain frequencies to play. A Low-Pass (LP) crossover allows only frequencies below its setting to get through which is good in the case of some subwoofers. A High-Pass(HP) filter allows frequencies above its setting to pass through, this is normally used on speakers.

When a crossover is set to FULL it means no filtering is added and the full frequency spectrum is allowed through the amplifier. Filtering is important because feeding a speaker frequencies it cannot reproduce effectively creates distortion.

Speaker level inputs are commonly referred to as high-level inputs and vice versa. This input type allows you to get your audio signal directly from the speaker wire in your vehicle, instead of using RCA cables. The advantage of this is factory integration, as most stock radios do not have RCA outputs to run amplifiers.
This feature will tell you if the amplifier has the capability to connect to a Bluetooth device.
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Hertz HCP1D Amplifier + Free Amp Wiring Kit

700W Class D Monoblock Car Subwoofer Amplifier

HCP1D, BAK82 main
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700W Class D Monoblock Car Subwoofer Amplifier

• 380 Watts RMS x 1 @ 4 ohms
• 700 Watts RMS x 1 @ 2 ohms
• CEA-2006 Compliant
• Refined Heatsink with High Convection Capability
• Automatic Remote Turn-On/Off function
• Dimensions:8.46" x 7.48" x 1.97"

59
Hertz HCP1D Amplifier + Free Amp Wiring Kit

700W Class D Monoblock Car Subwoofer Amplifier

In stock

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$339.98 (16.17% off)
$284.99
Hertz HCP 4M with NVX 4 Gauge Amp Kit

Class-D 4-Channel 2 Ohms Marine Stereo Amplifier

HCP4M, XKIT44 main
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Class-D 4-Channel 2 Ohms Marine Stereo Amplifier

• 65 Watts RMS x 4 @ 4 ohms
• 95 Watts RMS x 4 @ 2 ohms
• CEA-2006 Compliant/Preamp Outputs/LPF
• Corrosion Protection
• Water jet tested
• Dimensions: 12.40" x 7.48" x 1.97"

61
Hertz HCP 4M with NVX 4 Gauge Amp Kit

Class-D 4-Channel 2 Ohms Marine Stereo Amplifier

In stock

Only 2 Left!

$549.98 (25.46% off)
$409.98
Hertz HCP 4M

Class D 4 Channel 2 Ohms Marine Stereo Amplifier

HCP 4M main
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Class D 4 Channel 2 Ohms Marine Stereo Amplifier

• 65 Watts RMS x 4 @ 4 ohms
• 95 Watts RMS x 4 @ 2 ohms
• CEA-2006 Compliant/Preamp Outputs/LPF
• Corrosion Protection
• Water jet tested
• Dimensions: 12.40" x 7.48" x 1.97"

Hertz HCP 4M

Class D 4 Channel 2 Ohms Marine Stereo Amplifier

In stock

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$399.99 (7.50% off)
Vip Icon $369.99
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  • FREE 4 Gauge Amp Kit with Purchase!

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HCP 4M small

Class D 4 Channel 2 Ohms Marine Stereo Amplifier

$369.99

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JL Audio XD-CLRAIC4-18 Core Series RCA Interconnect Cable

18 Ft (5.49 m) Core Series 4 Channel Audio Interconnect Cable

$39.99

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NVX XWS1225 12 AWG Speaker Wire

25 ft. of True 12 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$29.99

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Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

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Hertz HCP 2MX

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

HCP 2MX main
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Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

• 120 Watts RMS x 2 @ 4 ohms
• 200 Watts RMS x 2 @ 2 ohms
• 400 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• Corrosion Protection
• Water jet tested
• Dimensions: 12.40" x 7.48" x 1.97"

Hertz HCP 2MX

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

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$379.99 (7.89% off)
Vip Icon $349.99
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  • Save 50% on an 8 Gauge Amp Kit with Purchase!

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HCP 2MX small

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

$349.99

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

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NVX XLCA2

2 Channel Line Out Converter with xBOOST & 3-year warranty*!

$89.99

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NVX XIV25 V-Series 2-Channel RCA Cable

16.4 ft 2-Channel RCA Audio Interconnect Cable with Twisted Pair Construction

$18.99

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Hertz HCP 2MX with 8" Marine Speakers + LED's

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

HCP2MX, HMX8LDx2 main
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Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

• 120 Watts RMS x 2 @ 4 ohms
• 200 Watts RMS x 2 @ 2 ohms
• 400 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• Corrosion Protection
• Water jet tested
• Dimensions: 12.40" x 7.48" x 1.97"

Hertz HCP 2MX with 8" Marine Speakers + LED's

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

In stock

Only 1 Left!

$879.98 (10.23% off)
$789.98

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HCP2MX, HMX8LDx2 small

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

$789.98

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Scosche TK12 Car Stereo Installation Kit

Includes panel removal tool, wire cutter/stripper, test light, RCA cable runner, screwdriver, and more!

$19.99

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Hertz HCP 2MX with 8" Marine Speakers

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

HCP2MX, HMX8X2 main
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Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

• 120 Watts RMS x 2 @ 4 ohms
• 200 Watts RMS x 2 @ 2 ohms
• 400 Watts RMS x 1 @ 1 ohm
• CEA-2006 Compliant/Preamp Outputs/LPF
• Corrosion Protection
• Water jet tested
• Dimensions: 12.40" x 7.48" x 1.97"

Hertz HCP 2MX with 8" Marine Speakers

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

OUT OF STOCK

$1259.97 (10.32% off)
$1,129.97

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HCP2MX, HMX8X2 small

Class AB 2 Ohms 2 Channel Marine Stereo Amplifier

$1129.97

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FREE NVX XMountPro Cell Phone Mount with Select Orders

Spend $200 and use code XMOUNTPRO to get this free!.

$14.99

Add
NVX XWS1625 16 AWG Speaker Wire

25 ft. of True 16 Gauge 100% Copper EnvyFlex Speaker Cable/Wire

$19.99

Add
Belva BBG3KT CCA 1/0 Gauge Big Three Kit

Features everything needed to upgrade factory power and ground wire.

$49.99

Add

Don't see the accessory you're looking for?
View all available accessories for the Hertz HCP 2MX with 8" Marine Speakers.

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